SPALACOTHEEIID^E. 293 



47748. The anterior portion of the left ramus of the mandible, 

 (Fig,) showing the alveoli of three incisors and the canine,' 

 together with three imperfect premolars, the impression 

 of the hinder part of the ramus being shown on the 

 matrix ; from the same locality. Figured by Owen in the 

 ' Mesozoic Mammalia/ pi. i. fig. 35. 



Beckles Collection. Purchased, 1876. 



Spalacotherium tricuspidens. a, b, the imperfect left ramus of the mandible, 

 \ (the outline nat. size) ; c, d, lateral and upper views of a molar tooth, f ; 

 from the Middle Purbeek of Swanage. (From the ' Quart. Journ. Q-eol. 

 Soc.') 



47749 b. Fragment of the right mandibular ramus containing three 



(Fig.) teeth, together with the impression of adjacent portions of 



the mandible ; from the same locality. Figured by Owen, 



op. cit. pi. i. fig. 36. Same history. 



47749 a. Fragment of the right ramus of the mandible containing 



(Fig.) two true molars, and the impression of the anterior part of 



the ramus ; from the same locality. Figured by Owen, 



op. cit. pi. i. fig. 37. Same history. 



47750. Hinder part of the left ramus of the mandible, containing 



(Fig.) the last five true molars ; from the same locality. Figured 



by Owen, op. cit. pi. i. fig. 38. Same history. 



Spalacotherium minus, Owen '. 



Of smaller size than the preceding ; from which it is also distin- 

 guished by the form of the mandibular ramus. 

 Nab. Europe (England). 



1 Mesozoic Mammalia (Mon. Pal. Soc.), p. 28 (1871). 



